Free beard, I'm gonna scoop a set of these
They fill the gap between the inside diameter of the rim and the face of the oil fill in the hub.
I don't imagine they'll make a measurable difference but I need to be able to inspect my wheel studs and nuts along with hub oil level.
I assume you mean these beauties
I just need that peace of mind that my steer wheels are sorted at a glance.
Red. I don't need regular trucker accessories to show the world my inadequacy.